Timing Protocol

When to Take Electrolytes

What researchers say about when, how and with what to take electrolytes, and how strong the evidence is.

The verdict on Electrolytes overall

Leaning for

Electrolyte supplements are worth taking.

8 sources: 3 positive, 5 partly

8 sources: 3 positive, 5 partly

Based on what researchers say in publicly available videos, not medical advice. Always consult your healthcare provider before starting, stopping, or changing any supplement.

Short answer

First thing in the morning with water (Andrew Huberman). During exercise, per the Galpin equation. During fasting, to keep balance. After sauna or heavy sweating (Bryan Johnson). Avoid a lot of sodium without enough water.

Full Protocol

Timing
First thing in the morning with water (Andrew Huberman). During exercise, per the Galpin equation. During fasting, to keep balance. After sauna or heavy sweating (Bryan Johnson). Avoid a lot of sodium without enough water.
Dosage
Sodium: from 1,600mg/day for healthy, active adults with normal blood pressure (Andrew Huberman). Keep it <2,300mg if you have high blood pressure. Potassium: mainly from food (Rhonda Patrick). Magnesium: 300-500mg/day as a supplement (see the Magnesium report).
Form
Electrolyte drinks or powders with sodium, potassium and magnesium for exercise and fasting. Sodium-free salt substitutes (potassium chloride) for cooking if you limit sodium (Bryan Johnson). Whole foods are best for potassium: avocados, spinach, sweet potatoes, bananas.
Notes
Blood pressure decides how much sodium is right. If yours is above 120/80, cut sodium before adding any (Rick Johnson, on The Drive). Active people who sweat heavily need far more electrolytes than sedentary people. Salty-sweet foods override the body's appetite control and drive overeating, so avoid processed foods that combine salt, sugar and fat (Andrew Huberman; Michael Moss, on The Doctor's Farmacy). Potassium works against sodium: more potassium can offset sodium's effect on blood pressure.

What the evidence says about timing

One verdict, worked out from every counted mention. One dot is one source: a researcher or a study. Tap a dot to see its receipt.

positive partly neutral negative Each researcher and each study counts once per claim, however often they come up.

Not enough evidence

Taking electrolytes with water first thing in the morning improves hydration.

2 sources: 2 positive. Fewer than 3 sources so far.

Researchers say

2 positive

Studies show

No study counted yet.

4 more not counted · see why
We could not tell where the evidence comes from. 2
We could not tell what position it takes on this claim. 1
We could not confirm who is speaking. 1
Show the receipts from 2 sources
  1. Mark Hyman Video · positive · 3 mentions

    on The Dr. Hyman Show, at 06:08 · positive · Opinion

    “I use electrolytes. This can help absorption and intracellular hydration,”

    on The Dr. Hyman Show, at 00:59 · positive · Opinion

    “I have at least 16 ounces of water with electrolytes to get rehydrated from the night.”

    on The Dr. Hyman Show, at 01:38 · positive · Opinion

    “we all wake up a little dehydrated in the day so I drink 32 ounces of water with electrolytes”

  2. Andrew Huberman, on Huberman Lab, at 05:46 Video · positive · Opinion

    “We do tend to get dehydrated at night. I try and make sure that I'm hydrated early in the day”

Where the sources disagree

Built from every credited researcher and cited study on each claim.

Leaning for

Electrolyte supplements are worth taking.

Supports it 3 sources
Partly 5 sources

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Timing is half the equation

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